Plastic particle extruding and granulating device

By introducing a cooling seat and a rotating seat into the plastic granulation extrusion device, and using a combination of a limiting cylinder and a cooling chamber to position the plastic strip and perform dual cooling, the problem of plastic strip swaying is solved, and an efficient and stable cutting and granulation process is achieved.

CN223630694UActive Publication Date: 2025-12-05MENGCHENG KEGUAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423273210.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-05
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In existing plastic pelletizing processes, the distance between the extruder's blades and the plastic strip's discharge die is too long, causing the plastic strip to wobble, which affects the cutting and pelletizing quality and production efficiency.

Method used

The system combines a cooling seat with a rotating seat, using a limiting cylinder and a cooling chamber to position the plastic strip and achieve dual cooling, shortening the distance between the cutter and the discharge mold. The limiting cylinder and cooling chamber prevent the plastic strip from swaying and allow for immediate cutting and granulation at the discharge port.

Benefits of technology

It improves cutting and granulation efficiency, prevents plastic strip swaying, ensures efficient production and high-quality cutting and granulation results, reduces equipment costs, and simplifies operation procedures.

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Abstract

The utility model belongs to the technical field of plastic particle production equipment, and particularly relates to a plastic particle extruding and granulating device which comprises a fixed seat and a rotating seat, the cooling seat is positioned above the rotating seat, is in butt joint with an extrusion die of the extruder, and is used for shortening the distance between a rotating seat cutter and a plastic strip discharging die so as to prevent the plastic strip from swinging; a limiting disc is arranged in the cooling base, extruded plastic strips are positioned through an internal limiting barrel, and when the plastic strips penetrate through the limiting barrel, secondary cooling treatment is formed by a lower cooling cavity and an upper cooling cavity in the cooling base, so that the cutting and granulating aging of the plastic strips is improved. According to the utility model, double cooling can be directly formed after the plastic strip is extruded, the deformation condition caused by overlarge temperature difference is prevented, and meanwhile, the distance between the discharge hole of the plastic strip and the cutter is shortened, so that the plastic strip is prevented from swinging, and the high-quality cutting and granulating effect is kept during the high-efficiency cutting and granulating operation period.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic particle production equipment, especially relates to a plastic particle extruding granulating device. BACKGROUND

[0002] ‌Plastic particles are an industrial raw material widely used in various fields, made of polymer resin, with characteristics of light weight, durability and strong plasticity, etc. In the process of producing plastic material particles, cutting tools need to be used to cut the strips produced by the extruder, so as to facilitate packaging and secondary processing.

[0003] At present, in the existing plastic particle granulation process, the cutter is located below the mold of the extruder, and there is a long distance between the extruded plastic strip and the cutter, which is prone to cause the strip to sway, resulting in a decrease in cutting and granulation quality and affecting production.

[0004] To solve the above problems, a plastic particle extruding granulating device is proposed in the present application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a plastic particle extruding granulating device, which solves the problems raised in the background art.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model is a plastic particle extruding granulating device, which comprises a fixed seat and a rotating seat, a cooling seat located above the rotating seat and connected to the extrusion mold of the extruder, used to shorten the distance between the rotating seat cutter and the plastic strip discharge mold, prevent the plastic strip from swaying, and improve the cutting and granulation efficiency of the plastic strip.

[0008] Further, an annular frame is provided above the cooling seat, and an extrusion pad is installed in the annular frame through a screw rod, used to clamp the extrusion mold.

[0009] Further, the outer side of the fixed seat and the outer side of the cooling seat are provided with a protruding disc body mechanism, and an electric telescopic device is provided inside to control the distance between the cooling seat and the rotating seat.

[0010] Further, a lower annular pipe for inputting cold water is provided on the outer side of the cooling seat, and an upper annular pipe for outputting hot water is also provided on the outer side of the cooling seat, and the lower annular pipe and the upper annular pipe correspond to the upper cooling chamber and the lower cooling chamber respectively.

[0011] Further, the inner part of the lower ring pipe and the upper ring pipe is respectively provided with a branch pipe in communication with the upper cooling chamber and the lower cooling chamber, and the branch pipes are uniformly distributed in the circumferential direction to facilitate the uniformity of cooling at each position.

[0012] Further, the inside of the cooling seat is provided with a partition plate for separating cold water and hot water to form the upper cooling chamber and the lower cooling chamber.

[0013] Further, the inside of the partition plate is provided with an overflow hole for the upward overflow of cold water.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses the addition of the cooling seat can make the plastic strip pass through the limiting cylinder in advance during the strip granulation, and the double cooling treatment of the lower cooling chamber and the upper cooling chamber is formed during this period, so that the plastic strip is cut and granulated in a better state, and the structure is simple and compact, convenient for real -time cutting and granulation production use, reduces the equipment investment cost, and is convenient for the cutting and granulation of the plastic strip without driving force at the end.

[0016] The utility model discloses the combination of the cooling seat and the rotating seat can place the cutter to the outlet position adjacent to the limiting cylinder, so that the plastic strip is cut and granulated at the outlet for the first time, can effectively prevent the swing of the plastic strip to ensure the stable operation state of the equipment during long -time cutting and granulation operation, improves production efficiency and guarantees product quality.

[0017] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without creating labor.

[0019] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is the cooling seat inside and rotating seat combination structure schematic diagram of the utility model;

[0021] Figure 3 It is the cooling seat inside three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 It is the cooling seat inside plane structure schematic diagram of the utility model;

[0023] The components represented by the reference numbers in the drawings are listed as follows:

[0024] In the figure: 1, fixed seat; 2, rotating seat; 3, cooling seat; 4, ring frame; 5, electric telescopic device; 6, lower ring pipe; 7, upper ring pipe; 8, extrusion pad; 9, limiting disc; 10, limiting cylinder; 11, branch pipe; 12, partition plate; 13, overflow hole; 14, lower cooling chamber; 15, upper cooling chamber. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0027] Please refer to Figures 1-4 As shown in the figure, the present application is a plastic particle extrusion granulation device, which comprises: a fixed seat 1 and a rotating seat 2; a cooling seat 3 located above the rotating seat 2 and connected to the extrusion die of the extruder, used to shorten the distance between the rotating seat 2 cutter and the plastic strip discharge die, to prevent the plastic strip from swinging;

[0028] The inside of the cooling seat 3 is provided with a limiting disc 9, and the extruded plastic strip is positioned by the limiting cylinder 10 inside. When the plastic strip passes through the limiting cylinder 10, it is subjected to secondary cooling treatment by the lower cooling chamber 14 and the upper cooling chamber 15 inside the cooling seat 3, to improve the cutting and granulation time efficiency of the plastic strip;

[0029] The present embodiment provides a cutting and granulation equipment that can prevent the plastic strip from swinging, which utilizes the limiting cylinder 10 to form a double cooling effect of pre-cooling and accelerated cooling with the upper cooling chamber 14 and the lower cooling chamber 15, and makes it be cut and granulated at the first time after the discharge port, which can improve the cutting and granulation time efficiency, facilitate the use of the non-powered part cutting and granulation at the end of the discharge, in addition, it can also prevent the plastic strip from swinging due to too long discharge, and ensure the cutting and granulation quality during efficient production.

[0030] The upper portion of the cooling seat 3 is provided with a ring frame 4, and the extrusion pad 8 is installed in the ring frame 4 through a screw rod, so that the cutting tool and the cooling seat 3 are aligned with the extrusion die.

[0031] The outer side of the fixed seat 1 and the outer side of the cooling seat 3 are provided with a protruding disc mechanism, and an electric telescopic device 5 is arranged in the inner side of the fixed seat 1 and the cooling seat 3, so that the plastic strip outlet is directly subjected to the cutting and granulating treatment, and the swing of the plastic strip is prevented.

[0032] The outer side of the cooling seat 3 is provided with a lower ring pipe 6 for inputting cold water, and the outer side of the cooling seat 3 is also provided with an upper ring pipe 7 for outputting hot water, and the lower ring pipe 6 and the upper ring pipe 7 correspond to the upper cooling chamber 15 and the lower cooling chamber 14 respectively.

[0033] The inner sides of the lower ring pipe 6 and the upper ring pipe 7 are respectively provided with branch pipes 11 in communication with the upper cooling chamber 15 and the lower cooling chamber 14, and the branch pipes 11 are uniformly distributed in the circumferential direction to promote the uniformity of cooling at each position, so that the cooling effect of the plastic strip in different regions is consistent.

[0034] The inner side of the cooling seat 3 is provided with a partition plate 12 for separating the cold water and the hot water, so as to form the upper cooling chamber 15 and the lower cooling chamber 14, and the inner side of the partition plate 12 is provided with an overflow hole 13 for the overflow of the cold water, so as to automatically form a double cooling effect, and the pre-cooling is used for preventing the deformation of the plastic strip caused by the excessive temperature difference.

[0035] It can be understood that the utility model can directly form double cooling after the plastic strip is extruded, prevent the deformation caused by the excessive temperature difference, shorten the distance between the outlet of the plastic strip and the cutting tool, prevent the swing of the plastic strip, and keep the high quality cutting and granulating effect during the efficient cutting and granulating operation.

[0036] A specific application of the operation process of the embodiment is as follows: in use, first, the ring frame 4 is installed below the extrusion die through the extrusion pad 8, at this time, the extruded plastic strip first enters the limiting cylinder 10, and is subjected to pre-cooling treatment by the cooling water in the lower cooling chamber 14 during the passing through of the limiting cylinder 10, and then is subjected to secondary cooling and granulating treatment by the upper cooling chamber 15, so that the cooling and granulating of the plastic strip at the end without the external driving part can be completed in a short time without the cooperation of too many devices, the cutting and granulating efficiency is improved, and the cutting and granulating quality of the plastic particles is ensured.

[0037] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A plastic particle extrusion granulating apparatus characterized by comprising: The utility model relates to a plastic strip cutting device, which comprises a fixed seat (1) and a rotating seat (2). A cooling seat (3) is arranged above the rotating seat (2) and is connected to an extrusion die of an extruder, so as to shorten the distance between the rotating seat (2) and a plastic strip discharge die, thereby preventing the plastic strip from swinging. The cooling seat (3) is internally provided with a limiting disc (9), and the extruded plastic strip is positioned by a limiting cylinder (10) in the limiting disc (9). When the plastic strip passes through the limiting cylinder (10), the plastic strip is subjected to secondary cooling treatment by a lower cooling chamber (14) and an upper cooling chamber (15) in the cooling seat (3), so as to improve the cutting and granulating aging of the plastic strip. An annular frame (4) is arranged above the cooling seat (3), and an extrusion pad (8) is arranged in the annular frame (4) by a screw rod, so as to clamp the extrusion die.

2. The plastic particle extruding granulating device according to claim 1, characterized in that: The outer side of the fixed seat (1) and the outer side of the cooling seat (3) are provided with a protruding disc mechanism, and an electric telescopic device (5) is arranged in the disc mechanism, so as to control the distance between the cooling seat (3) and the rotating seat (2).

3. The plastic particle extruding granulator according to claim 1, wherein: The outer side of the cooling seat (3) is provided with a lower annular pipe (6) for inputting cold water, and the outer side of the cooling seat (3) is also provided with an upper annular pipe (7) for outputting hot water. The lower annular pipe (6) and the upper annular pipe (7) correspond to the upper cooling chamber (15) and the lower cooling chamber (14), respectively.

4. The plastic particle extruding granulator according to claim 1, wherein: The inner sides of the lower annular pipe (6) and the upper annular pipe (7) are respectively provided with branch pipes (11) in communication with the upper cooling chamber (15) and the lower cooling chamber (14). The branch pipes (11) are uniformly distributed in a circumferential direction, so as to promote the uniformity of cooling at each position.

5. The plastic particle extruding granulating device according to claim 4, characterized in that: The cooling seat (3) is internally provided with a partition plate (12) for separating cold water and hot water, so as to form the upper cooling chamber (15) and the lower cooling chamber (14).

6. The plastic particle extruding granulator according to claim 1, wherein: The partition plate (12) is internally provided with an overflow hole (13) for overflowing cold water upward.

7. The plastic particle extruding granulating device according to claim 6, characterized in that: ​